A grandfather sustained critical injuries at Yellowstone National Park when an aggressive bison attacked during the animal's peak mating season. The incident, captured on video, highlights the serious dangers visitors face when they venture too close to wildlife. Park officials emphasize maintaining safe distances from bison, especially during rutting season when males become increasingly territorial and unpredictable. The attack serves as a stark reminder of Yellowstone's untamed environment and the importance of following wildlife safety protocols.

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